[INFO] updating cached repository SuchMonkey/caribou
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SuchMonkey/caribou
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SuchMonkey/caribou" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/SuchMonkey/caribou"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/SuchMonkey/caribou'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SuchMonkey/caribou" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/SuchMonkey/caribou"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/SuchMonkey/caribou'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 777e9bd03aade83c15a4b236bdeba5cce0618543
[INFO] sha for GitHub repo SuchMonkey/caribou: 777e9bd03aade83c15a4b236bdeba5cce0618543
[INFO] validating manifest of SuchMonkey/caribou on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of SuchMonkey/caribou on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing SuchMonkey/caribou
[INFO] finished frobbing SuchMonkey/caribou
[INFO] frobbed toml for SuchMonkey/caribou written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/SuchMonkey/caribou/Cargo.toml
[INFO] started frobbing SuchMonkey/caribou
[INFO] finished frobbing SuchMonkey/caribou
[INFO] frobbed toml for SuchMonkey/caribou written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/SuchMonkey/caribou/Cargo.toml
[INFO] crate SuchMonkey/caribou already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking SuchMonkey/caribou against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/SuchMonkey/caribou:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 633c081b2192a651acf99cf50eec8485bc730e0847196184fa296042db75070e
[INFO] running `"docker" "start" "-a" "633c081b2192a651acf99cf50eec8485bc730e0847196184fa296042db75070e"`
[INFO] [stderr]     Checking socket2 v0.3.5
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking postgres-shared v0.4.1
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]    Compiling derive-error-chain v0.11.1
[INFO] [stderr]     Checking dotenv v0.11.0
[INFO] [stderr]     Checking caribou v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/graph.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 |     node_factory_register: Vec<Box<NodeFactory>>,
[INFO] [stderr]   |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn NodeFactory`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/graph.rs:19:63
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn register_node_factory(&mut self, node_factory: Box<NodeFactory>) {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn NodeFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dotenv::dotenv`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use dotenv::dotenv;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/graph.rs:8:36
[INFO] [stderr]   |
[INFO] [stderr] 8 |     node_factory_register: Vec<Box<NodeFactory>>,
[INFO] [stderr]   |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn NodeFactory`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/graph.rs:19:63
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn register_node_factory(&mut self, node_factory: Box<NodeFactory>) {
[INFO] [stderr]    |                                                               ^^^^^^^^^^^ help: use `dyn`: `dyn NodeFactory`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `dotenv::dotenv`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use dotenv::dotenv;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `"docker" "inspect" "633c081b2192a651acf99cf50eec8485bc730e0847196184fa296042db75070e"`
[INFO] running `"docker" "rm" "-f" "633c081b2192a651acf99cf50eec8485bc730e0847196184fa296042db75070e"`
[INFO] [stdout] 633c081b2192a651acf99cf50eec8485bc730e0847196184fa296042db75070e